feat(zsh): add Atuin integration and new gitconfig script

.zshrc

@@ -145,3 +145,7 @@ export PATH=".:$PATH"
 export NVM_DIR="$HOME/.nvm"
 [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm
 [ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion
+
+. "$HOME/.atuin/bin/env"
+
+eval "$(atuin init zsh)"